/* LUXE RESIDENCES - OPTIMIZED CSS */
/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}
* {
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    height: 100%;
}
body {
    min-height: 100vh;
    text-rendering: optimizeSpeed;
    line-height: 1.5;
    height: 100%;
    overflow-x: hidden;
}
ul[role='list'], ol[role='list'] {
    list-style: none;
}
img, picture, svg {
    max-width: 100%;
    display: block;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
/* Design System */
:root {
    /* Colors */
    --color-primary: #C9A96E;
    --color-primary-dark: #8B7355;
    --color-secondary: #2C3E50;
    --color-accent: #ECF0F1;
    --color-luxury-cream: #F8F6F0;
    --color-white: #FFFFFF;
    --color-charcoal: #34495E;
    --color-text-primary: #2C3E50;
    --color-text-secondary: #7F8C8D;
    --color-text-inverse: #FFFFFF;
    --color-success: #27AE60;
    --color-warning: #F39C12;
    --color-error: #E74C3C;
    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F6F0;
    --bg-accent: linear-gradient(135deg, var(--color-luxury-cream) 0%, var(--color-white) 100%);
    --bg-dark: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-charcoal) 100%);
    /* Typography */
    --font-size-xs: clamp(0.7rem, 1.5vw, 0.75rem);
    --font-size-sm: clamp(0.8rem, 1.8vw, 0.875rem);
    --font-size-base: clamp(0.9rem, 2.2vw, 1rem);
    --font-size-md: clamp(1rem, 2.5vw, 1.125rem);
    --font-size-lg: clamp(1.1rem, 2.8vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 3.2vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 4vw, 2rem);
    --font-size-3xl: clamp(2rem, 5vw, 3rem);
    --font-size-4xl: clamp(2.5rem, 6vw, 4rem);
    --font-size-5xl: clamp(3rem, 7vw, 5rem);
    --font-size-6xl: clamp(4rem, 8vw, 6rem);
    /* Fonts */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-accent: 'Italiana', serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    /* Spacing */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-xs: var(--space-2);
    --space-sm: var(--space-4);
    --space-md: var(--space-6);
    --space-lg: var(--space-8);
    --space-xl: var(--space-12);
    --space-2xl: var(--space-16);
    --space-3xl: var(--space-20);
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(44, 62, 80, 0.05);
    --shadow-sm: 0 1px 3px rgba(44, 62, 80, 0.1), 0 1px 2px rgba(44, 62, 80, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(44, 62, 80, 0.1), 0 2px 4px -1px rgba(44, 62, 80, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(44, 62, 80, 0.1), 0 4px 6px -2px rgba(44, 62, 80, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(44, 62, 80, 0.1), 0 10px 10px -5px rgba(44, 62, 80, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(44, 62, 80, 0.25);
    --shadow-luxury: 0 20px 60px rgba(44, 62, 80, 0.15), 0 8px 25px rgba(201, 169, 110, 0.1);
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    /* Animations */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;
    --duration-slower: 500ms;
    --ease-linear: linear;
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-luxury: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    /* Breakpoints & Layout */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1400px;
    --z-dropdown: 1000;
    --z-sticky: 1010;
    --z-fixed: 1020;
    --z-modal-backdrop: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
    --z-toast: 1070;
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
    --container-2xl: 1320px;
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-charcoal) 100%);
    --gradient-luxury: linear-gradient(135deg, var(--color-luxury-cream) 0%, var(--color-white) 100%);
    --gradient-overlay-dark: linear-gradient(135deg, rgba(44, 62, 80, 0.9) 0%, rgba(139, 115, 85, 0.8) 100%);
    --gradient-overlay-light: linear-gradient(135deg, rgba(248, 246, 240, 0.9) 0%, rgba(255, 255, 255, 0.8) 100%);
}
/* Utility Classes */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-start { display: flex; align-items: center; }
.grid { display: grid; }
.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.transition { transition: all var(--duration-normal) var(--ease-out); }
/* Typography */
body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--bg-accent);
    font-size: var(--font-size-base);
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
h1, .text-5xl {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-6xl));
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}
h2, .text-4xl {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-5xl));
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}
h3, .text-3xl {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-4xl));
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}
h4, .text-2xl {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-medium);
    font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-3xl));
    line-height: 1.4;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}
/* Body Text Variants */
p, .text-base {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    letter-spacing: 0.01em;
}
.lead {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    color: var(--color-charcoal);
    line-height: 1.6;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-lg);
}
.text-small {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.text-accent {
    font-family: var(--font-accent);
    font-style: italic;
    color: var(--color-primary);
    font-size: 1.1em;
}
/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
/* ==========================================================================
   4. LAYOUT COMPONENTS - CONTAINER SYSTEM
   ========================================================================== */
/* Responsive Container */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}
/* Container Sizes */
@media (min-width: 576px) {
    .container {
        max-width: var(--container-sm);
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
}
@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
    }
}
@media (min-width: 992px) {
    .container {
        max-width: var(--container-lg);
    }
}
@media (min-width: 1200px) {
    .container {
        max-width: var(--container-xl);
    }
}
@media (min-width: 1400px) {
    .container {
        max-width: var(--container-2xl);
    }
}
/* Section Spacing */
.section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
}
.section--large {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}
/* Grid System */
.grid {
    display: grid;
    gap: var(--space-md);
}
.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}
.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
/* Premium Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
    color: var(--secondary-color);
}
h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}
h2 { 
    font-size: clamp(2rem, 4vw, 3rem); 
    font-weight: 600;
}
h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}
h4 { 
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 500;
}
p {
    margin-bottom: var(--space-md);
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    letter-spacing: 0.01em;
}
.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--charcoal);
    line-height: 1.6;
    letter-spacing: 0.02em;
}
.accent-text {
    font-family: var(--font-accent);
    font-style: italic;
    color: var(--primary-color);
    font-size: 1.1em;
}
/* ==========================================================================
   5. UI COMPONENTS - BUTTON SYSTEM
   ========================================================================== */
/* Base Button Styles */
.btn {
    /* Layout */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    /* Spacing */
    padding: var(--space-md) var(--space-lg);
    /* Typography */
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    /* Appearance */
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    background: none;
    position: relative;
    overflow: hidden;
    /* Accessibility */
    min-height: 44px; /* WCAG AA touch target */
    min-width: 44px;
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
    transform: translateZ(0); /* Force hardware acceleration */
    backface-visibility: hidden;
    will-change: transform, box-shadow;
}
/* Button Shine Effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--duration-slower) var(--ease-luxury);
    pointer-events: none;
}
.btn:hover::before {
    left: 100%;
}
/* Button Variants */
.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-primary);
}
.btn--primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.1);
}
.btn--primary:active {
    transform: translateY(0) scale(0.98);
    transition: all var(--duration-fast) var(--ease-in-out);
}
.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    backdrop-filter: blur(10px);
}
.btn--secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn--outline {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-secondary);
    border: 2px solid var(--color-accent);
    backdrop-filter: blur(15px);
}
.btn--outline:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
/* Button Sizes */
.btn--small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 36px;
}
.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    min-height: 56px;
}
/* Button States */
.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
/* Loading State */
.btn--loading {
    color: transparent;
    pointer-events: none;
}
.btn--loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
/* ==========================================================================
   FORM COMPONENTS
   ========================================================================== */
/* Base Form Elements */
.form-input,
.form-select,
.form-textarea {
    /* Layout */
    width: 100%;
    /* Spacing */
    padding: var(--space-3) var(--space-4);
    /* Typography */
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    /* Appearance */
    background: var(--bg-primary);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    /* Interaction */
    transition: all var(--duration-normal) var(--ease-in-out);
    /* Accessibility */
    min-height: 44px;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
    background: var(--bg-primary);
}
.form-input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}
/* Form Groups */
.form-group {
    margin-bottom: var(--space-6);
}
.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}
/* Form States */
.form-input--error,
.form-select--error,
.form-textarea--error {
    border-color: var(--color-error);
    background: rgba(231, 76, 60, 0.05);
}
.form-input--success,
.form-select--success,
.form-textarea--success {
    border-color: var(--color-success);
    background: rgba(39, 174, 96, 0.05);
}
/* Error Messages */
.field-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
/* Luxury Navigation */
.navbar {
    background: rgba(248, 246, 240, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(44, 62, 80, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    box-shadow: var(--shadow-medium);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}
.nav-logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-family: var(--font-accent);
    position: relative;
}
.nav-logo h2::before {
    content: '🏛️';
    margin-right: var(--space-xs);
    -webkit-text-fill-color: var(--primary-color);
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}
.nav-link {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
}
.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    border-radius: 1px;
}
.nav-link:hover::after {
    width: 100%;
}
/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
}
.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
.dropdown-toggle i {
    font-size: var(--font-size-xs);
    transition: transform var(--duration-normal) var(--ease-in-out);
}
.nav-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-3);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all var(--duration-normal) var(--ease-in-out);
    z-index: 1000;
    margin-top: var(--space-2);
}
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--color-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.02em;
    transition: all var(--duration-fast) var(--ease-in-out);
}
.dropdown-link:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateX(4px);
}
.dropdown-divider {
    height: 1px;
    background: var(--color-accent);
    margin: var(--space-2) 0;
    opacity: 0.3;
}
/* Active page indicator in dropdown */
.active-page {
    background: var(--gradient-primary) !important;
    color: var(--color-white) !important;
    font-weight: var(--font-weight-semibold);
}
/* ==========================================================================
   7. APARTMENT DETAIL PAGES
   ========================================================================== */
/* Apartment Detail Hero */
.apartment-hero {
    /* Layout */
    padding: var(--space-20) 0 var(--space-16);
    margin-top: 120px;
    min-height: 25vh;
    /* Background */
    background: var(--gradient-subtle);
    /* Context */
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}
.apartment-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 40%, 
            var(--color-primary-alpha-light) 0%, 
            transparent 50%);
    pointer-events: none;
}
.apartment-hero-content {
    /* Layout */
    position: relative;
    z-index: 1;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}
/* Breadcrumb Navigation */
.breadcrumb {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Spacing */
    margin-bottom: var(--space-4);
    /* Typography */
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--duration-fast) var(--ease-in-out);
}
.breadcrumb a:hover {
    color: var(--color-secondary);
}
.breadcrumb span {
    color: var(--color-accent);
}
/* Apartment Header */
.apartment-header {
    /* Layout */
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-6);
    align-items: start;
}
.apartment-title-section h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
    font-weight: var(--font-weight-bold);
}
.apartment-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--space-4);
    font-family: var(--font-accent);
}
.apartment-location-detail {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Typography */
    font-size: var(--font-size-base);
    color: var(--color-secondary);
    font-weight: var(--font-weight-medium);
}
.apartment-location-detail i {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}
/* Price Section */
.apartment-price-section {
    /* Layout */
    text-align: right;
    /* Spacing */
    padding: var(--space-4);
    /* Glass Design */
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    /* Elevation */
    box-shadow: var(--shadow-lg);
}
.price-main {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-3);
}
.price-main span {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
}
.price-features {
    /* Layout */
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-end;
}
/* Badge Styles */
.badge {
    /* Layout */
    display: inline-block;
    /* Spacing */
    padding: var(--space-1) var(--space-3);
    /* Typography */
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    /* Shape */
    border-radius: var(--radius-full);
    /* Glass Effect */
    backdrop-filter: blur(10px);
}
.badge.available {
    background: rgba(39, 174, 96, 0.9);
    color: var(--color-white);
    border: 1px solid rgba(39, 174, 96, 0.3);
}
.badge.featured {
    background: rgba(243, 156, 18, 0.9);
    color: var(--color-white);
    border: 1px solid rgba(243, 156, 18, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}
/* Rating Component */
.rating {
    /* Layout */
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    align-items: flex-end;
}
.stars {
    /* Layout */
    display: flex;
    gap: var(--space-1);
}
.stars i {
    color: #FFD700;
    font-size: var(--font-size-sm);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.rating-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}
/* Gallery Section */
.apartment-gallery {
    /* Spacing */
    padding: var(--space-4xl) 0;
    /* Background */
    background: var(--bg-primary);
}
.gallery-grid {
    /* Layout */
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4);
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}
.main-image {
    /* Shape */
    border-radius: var(--radius-2xl);
    overflow: hidden;
    /* Elevation */
    box-shadow: var(--shadow-xl);
    /* Context */
    position: relative;
}
.main-image img {
    /* Layout */
    width: 100%;
    height: 500px;
    object-fit: cover;
    /* Performance */
    transition: transform var(--duration-slow) var(--ease-luxury);
}
.main-image:hover img {
    transform: scale(1.02);
}
.gallery-thumbnails {
    /* Layout */
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    align-content: start;
}
.thumbnail {
    /* Shape */
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    /* Border */
    border: 2px solid transparent;
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
    /* Context */
    position: relative;
}
.thumbnail.active {
    border-color: var(--color-primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}
.thumbnail:hover {
    border-color: var(--color-accent);
    transform: scale(1.02);
}
.thumbnail img {
    /* Layout */
    width: 100%;
    height: 120px;
    object-fit: cover;
    /* Performance */
    transition: transform var(--duration-normal) var(--ease-in-out);
}
.thumbnail:hover img {
    transform: scale(1.05);
}
/* Apartment Details Section */
.apartment-details {
    /* Spacing */
    padding: var(--space-5xl) 0;
    /* Background */
    background: var(--bg-primary);
}
.details-grid {
    /* Layout */
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}
.details-main {
    /* Layout */
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}
.details-section h2,
.details-section h3 {
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--space-2);
}
.details-section h2 {
    font-size: var(--font-size-2xl);
}
.details-section h3 {
    font-size: var(--font-size-xl);
}
/* Features Grid */
.features-grid {
    /* Layout */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
    /* Spacing */
    margin-top: var(--space-4);
}
.feature-item {
    /* Layout */
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    /* Spacing */
    padding: var(--space-4);
    /* Glass Design */
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.feature-item i {
    /* Style */
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    /* Layout */
    flex-shrink: 0;
    /* Shape */
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 110, 0.1);
    border-radius: var(--radius-md);
}
.feature-item h4 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-semibold);
}
.feature-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: var(--line-height-relaxed);
}
/* Amenities Grid */
.amenities-grid {
    /* Layout */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-5);
    /* Spacing */
    margin-top: var(--space-4);
}
.amenity-category h4 {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Typography */
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-lg);
    /* Border */
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: var(--space-2);
}
.amenity-category h4 i {
    color: var(--color-primary);
}
.amenity-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.amenity-category li {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Spacing */
    padding: var(--space-2) 0;
    /* Typography */
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    /* Border */
    border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}
.amenity-category li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
}
/* Perks Grid for Luxury Apartment */
.perks-grid {
    /* Layout */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    /* Spacing */
    margin-top: var(--space-4);
}
.perk-item {
    /* Layout */
    text-align: center;
    /* Spacing */
    padding: var(--space-4);
    /* Glass Design */
    background: var(--gradient-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.perk-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}
.perk-item i {
    /* Style */
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
    /* Shape */
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 110, 0.1);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-3);
}
.perk-item h4 {
    color: var(--color-secondary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-lg);
}
.perk-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: var(--line-height-relaxed);
}
/* Details Sidebar */
.details-sidebar {
    /* Layout */
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    /* Context */
    position: sticky;
    top: var(--space-5xl);
    align-self: flex-start;
}
/* Booking Card */
.booking-card {
    /* Glass Design */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-2xl);
    /* Spacing */
    padding: var(--space-5);
    /* Elevation */
    box-shadow: var(--shadow-xl);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.booking-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}
.booking-card.luxury {
    border: 2px solid var(--color-primary);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98) 0%,
        rgba(248, 246, 240, 0.95) 100%);
}
.booking-header {
    text-align: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-accent);
}
.booking-header h3 {
    color: var(--color-secondary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-xl);
}
.price-display {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}
.price-display span {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
}
.luxury-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    margin: 0;
}
/* Form Styles for Booking */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.form-group {
    margin-bottom: var(--space-4);
}
.form-group:last-child {
    margin-bottom: 0;
}
.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}
/* Booking Benefits */
.booking-benefits {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-accent);
}
.benefit-item {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Spacing */
    margin-bottom: var(--space-3);
    /* Typography */
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.benefit-item:last-child {
    margin-bottom: 0;
}
.benefit-item i {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    width: 16px;
    flex-shrink: 0;
}
.booking-note {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-accent);
    text-align: center;
}
.booking-note p {
    /* Layout */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    /* Typography */
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin: 0;
}
.booking-note i {
    color: var(--color-primary);
}
/* Related Apartments */
.related-apartments h4 {
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--space-2);
}
.related-grid {
    /* Layout */
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.related-item {
    /* Layout */
    display: flex;
    gap: var(--space-3);
    align-items: center;
    /* Spacing */
    padding: var(--space-3);
    /* Appearance */
    text-decoration: none;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.related-item:hover {
    transform: translateX(4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}
.related-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.related-info h5 {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-semibold);
}
.related-info p {
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    margin: 0;
}
/* Back to All Section */
.back-to-all {
    /* Spacing */
    padding: var(--space-4xl) 0;
    /* Background */
    background: var(--gradient-subtle);
    /* Border */
    border-top: 1px solid var(--color-accent);
}
.back-navigation {
    /* Layout */
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    /* Constraints */
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}
.apartment-nav {
    /* Layout */
    display: flex;
    gap: var(--space-4);
    align-items: center;
}
.nav-btn {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Spacing */
    padding: var(--space-3) var(--space-4);
    /* Appearance */
    text-decoration: none;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    color: var(--color-secondary);
    /* Typography */
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.nav-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.nav-btn i {
    font-size: var(--font-size-xs);
}
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}
.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}
/* Luxury Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-xxl);
    padding: calc(120px + var(--space-xl)) var(--space-xl) var(--space-xxl);
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 120px);
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(248,246,240,0.3) 0%, rgba(255,255,255,0.1) 100%);
    pointer-events: none;
    border-radius: var(--border-radius-xl);
}
.hero-content h1 {
    color: var(--secondary-color);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    font-weight: 700;
    position: relative;
}
.hero-content h1::after {
    content: '';
    position: absolute;
    bottom: -var(--space-sm);
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}
.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    font-weight: 400;
    max-width: 90%;
}
.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: center;
}
.hero-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
}
.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44,62,80,0.1) 0%, rgba(201,169,110,0.1) 100%);
    z-index: 2;
    pointer-events: none;
    transition: var(--transition);
}
.hero-image:hover::before {
    background: linear-gradient(135deg, rgba(44,62,80,0.05) 0%, rgba(201,169,110,0.05) 100%);
}
.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-luxury);
    transition: var(--transition-slow);
    filter: contrast(1.1) saturate(1.1);
}
.hero-image:hover img {
    transform: scale(1.05);
    filter: contrast(1.15) saturate(1.2);
}
/* Premium Stats Section */
.stats {
    background: var(--gradient-elegant);
    padding: var(--space-xxl) 0;
    position: relative;
    overflow: hidden;
}
.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 1;
}
.stat-item {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-slow);
}
.stat-item:hover::before {
    left: 0;
}
.stat-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-luxury);
    background: rgba(255, 255, 255, 1);
}
.stat-item i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    display: block;
    transform: scale(0.9);
    transition: var(--transition);
}
.stat-item:hover i {
    transform: scale(1.1);
}
.stat-item h3 {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}
.stat-item p {
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.9rem;
}
/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}
.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}
/* ==========================================================================
   6. MODULES - APARTMENT SHOWCASE
   ========================================================================== */
/* Apartments Section Layout */
.apartments {
    /* Spacing */
    padding: var(--space-5xl) 0;
    /* Background System */
    background: var(--gradient-subtle);
    /* Glass Effect */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    /* Borders */
    border-top: 1px solid var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
    /* Context */
    position: relative;
    overflow: hidden;
}
.apartments::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, var(--color-primary-alpha-light) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--color-secondary-alpha-light) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
} 
/* Premium Filter Tabs */
.filter-tabs {
    /* Layout */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    /* Spacing */
    margin-bottom: var(--space-4xl);
    padding: var(--space-3);
    /* Glass Design */
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    /* Shape */
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-accent);
    /* Elevation */
    box-shadow: var(--shadow-lg);
    /* Constraints */
    max-width: 700px;
    margin-inline: auto;
    /* Context */
    position: relative;
    z-index: 1;
}
.filter-btn {
    /* Layout */
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* Spacing */
    padding: var(--space-3) var(--space-5);
    /* Typography */
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-secondary);
    /* Appearance */
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    overflow: hidden;
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform, box-shadow;
    /* Accessibility */
    min-height: 44px;
    min-width: 44px;
}
.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--duration-slow) var(--ease-luxury);
    z-index: -1;
}
.filter-btn.active,
.filter-btn:hover {
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}
.filter-btn.active::before,
.filter-btn:hover::before {
    left: 0;
}
.filter-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}
/* Luxury Apartment Cards Grid */
.apartments-grid {
    /* Layout */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
    /* Spacing */
    margin-top: var(--space-4xl);
    /* Context */
    position: relative;
    z-index: 1;
}
/* Premium Apartment Card Component */
.apartment-card {
    /* Layout */
    position: relative;
    overflow: hidden;
    /* Glass Design */
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    /* Shape */
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-accent);
    /* Elevation */
    box-shadow: var(--shadow-lg);
    /* Performance */
    transition: all var(--duration-slow) var(--ease-luxury);
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform, box-shadow;
}
/* Card Luxury Overlay */
.apartment-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-overlay);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-in-out);
    pointer-events: none;
    z-index: 1;
}
.apartment-card:hover::before {
    opacity: 1;
}
/* Card Premium Hover State */
.apartment-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}
/* Apartment Image Component */
.apartment-image {
    /* Layout */
    position: relative;
    height: 280px;
    overflow: hidden;
    /* Context */
    z-index: 2;
}
.apartment-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(0,0,0,0) 0%, 
        rgba(0,0,0,0.1) 50%,
        rgba(0,0,0,0.3) 100%);
    z-index: 2;
    pointer-events: none;
}
.apartment-image img {
    /* Layout */
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Enhancement */
    filter: contrast(1.1) saturate(1.05) brightness(1.02);
    /* Performance */
    transition: all var(--duration-slow) var(--ease-luxury);
    transform: translateZ(0);
    backface-visibility: hidden;
}
.apartment-card:hover .apartment-image img {
    transform: scale(1.08);
    filter: contrast(1.15) saturate(1.1) brightness(1.05);
}
/* Apartment Badge Component */
.apartment-badge {
    /* Positioning */
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    z-index: 3;
    /* Glass Design */
    background: rgba(39, 174, 96, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    /* Shape */
    border-radius: var(--radius-full);
    /* Spacing */
    padding: var(--space-2) var(--space-4);
    /* Typography */
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    /* Elevation */
    box-shadow: var(--shadow-md);
    /* Performance */
    transition: all var(--duration-normal) var(--ease-in-out);
}
.apartment-badge.featured {
    background: rgba(243, 156, 18, 0.95);
    animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: var(--shadow-md); 
    }
    50% { 
        box-shadow: 
            0 0 20px rgba(243, 156, 18, 0.4), 
            var(--shadow-md);
    }
}
/* Apartment Price Component */
.apartment-price {
    /* Positioning */
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 3;
    /* Glass Design */
    background: rgba(44, 62, 80, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    /* Shape */
    border-radius: var(--radius-full);
    /* Spacing */
    padding: var(--space-2) var(--space-4);
    /* Typography */
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.02em;
    /* Elevation */
    box-shadow: var(--shadow-md);
}
/* Apartment Info Component */
.apartment-info {
    /* Spacing */
    padding: var(--space-6);
    /* Context */
    position: relative;
    z-index: 2;
}
.apartment-info h3 {
    /* Typography */
    color: var(--color-secondary);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    /* Spacing */
    margin-bottom: var(--space-3);
}
/* Location Component */
.apartment-location {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Typography */
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    /* Spacing */
    margin-bottom: var(--space-4);
}
.apartment-location i {
    color: var(--color-primary);
    font-size: var(--font-size-base);
}
/* Features Component */
.apartment-features {
    /* Layout */
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    /* Typography */
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    /* Spacing */
    margin-bottom: var(--space-4);
}
.apartment-features span {
    /* Layout */
    display: flex;
    align-items: center;
    gap: var(--space-2);
    /* Typography */
    font-weight: var(--font-weight-medium);
}
.apartment-features span i {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}
/* Amenities Tags Component */
.apartment-amenities {
    /* Layout */
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    /* Spacing */
    margin-bottom: var(--space-5);
}
.apartment-amenities span {
    /* Glass Design */
    background: var(--gradient-subtle);
    border: 1px solid var(--color-accent);
    /* Shape */
    border-radius: var(--radius-full);
    /* Spacing */
    padding: var(--space-2) var(--space-3);
    /* Typography */
    color: var(--color-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.02em;
    /* Performance */
    transition: all var(--duration-fast) var(--ease-in-out);
    transform: translateZ(0);
}
.apartment-amenities span:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-1px) scale(1.02);
    border-color: var(--color-primary);
}
/* Apartment Action Buttons */
.apartment-buttons {
    /* Layout */
    display: flex;
    gap: var(--space-4);
}
.apartment-buttons .btn {
    /* Layout */
    flex: 1;
    text-align: center;
    /* Typography */
    font-size: var(--font-size-sm);
    /* Spacing */
    padding: var(--space-3) var(--space-4);
}
/* Amenities Section */
.amenities {
    background: linear-gradient(135deg, var(--warm-cream), var(--soft-white));
    padding: 80px 0;
}
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.amenity-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}
.amenity-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}
.amenity-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}
.amenity-icon i {
    font-size: 2rem;
    color: white;
}
.amenity-item h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}
.amenity-item p {
    color: var(--text-light);
    line-height: 1.6;
}
/* Availability Section */
.availability {
    padding: 80px 0;
}
.calendar-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
}
.calendar-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
    flex-wrap: wrap;
}
.date-inputs {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex: 1;
}
.calendar-grid {
    min-height: 300px;
    background: var(--warm-cream);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calendar-placeholder {
    text-align: center;
    color: var(--text-light);
}
/* Booking Section */
.booking {
    background: linear-gradient(135deg, var(--secondary-color), var(--warm-cream));
    padding: 80px 0;
}
.booking-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-medium);
}
.booking-summary {
    background: var(--warm-cream);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}
.booking-summary h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}
/* Contact Section */
.contact {
    padding: 80px 0;
}
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}
.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-icon i {
    color: white;
    font-size: 1.2rem;
}
.contact-details h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}
.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}
/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--warm-cream);
    padding: 60px 0 20px;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}
.footer-section p {
    color: var(--warm-cream);
    opacity: 0.9;
}
.footer-section ul {
    list-style: none;
}
.footer-section ul li {
    margin-bottom: 0.5rem;
}
.footer-section ul li a {
    color: var(--warm-cream);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}
.footer-section ul li a:hover {
    color: var(--primary-color);
    opacity: 1;
}
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--warm-gray);
    color: var(--warm-cream);
    opacity: 0.7;
}
/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}
.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border: none;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}
.modal-close {
    color: var(--text-light);
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 20px;
    cursor: pointer;
    z-index: 1;
}
.modal-close:hover {
    color: var(--primary-color);
}
.modal-body {
    padding: 2rem;
}
/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--warm-cream);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
        z-index: 1000;
        height: calc(100vh - 70px);
        overflow-y: auto;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-item {
        margin: 0;
        padding: 0.5rem 0;
    }
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 120px var(--space-4) var(--space-6xl);
        min-height: calc(100vh - 80px);
    }
    .hero-content h1 {
        font-size: var(--font-size-4xl);
        line-height: 1.2;
        margin-bottom: var(--space-4);
    }
    .hero-content .lead {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-6);
    }
    .hero-buttons {
        flex-direction: column;
        gap: var(--space-3);
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 280px;
        padding: var(--space-4) var(--space-6);
        font-size: var(--font-size-base);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    .apartments-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .apartment-card {
        margin: 0 auto;
        max-width: 400px;
    }
    .apartment-image {
        height: 250px;
    }
    .apartment-buttons {
        flex-direction: column;
        gap: var(--space-2);
    }
    .amenities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .filter-tabs {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-2);
    }
    .filter-btn {
        font-size: var(--font-size-sm);
        padding: var(--space-2) var(--space-3);
    }
    .calendar-filters {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    .date-inputs {
        flex-direction: column;
        gap: var(--space-3);
    }
    .booking-form-container {
        padding: var(--space-5);
        margin: var(--space-4) 0;
    }
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
    h3 { font-size: var(--font-size-2xl); }
    h4 { font-size: var(--font-size-xl); }
    h5 { font-size: var(--font-size-lg); }
    h6 { font-size: var(--font-size-md); }
}
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
        max-width: 100%;
    }
    .hero {
        padding: 100px var(--space-3) var(--space-5xl);
        min-height: calc(100vh - 60px);
    }
    .hero-content h1 {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--space-3);
    }
    .hero-content .lead {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-5);
    }
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    .stat-item {
        padding: var(--space-5);
        text-align: center;
    }
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    .booking-form-container {
        padding: var(--space-4) var(--space-3);
        margin: var(--space-3) 0;
    }
    .apartment-card {
        max-width: 100%;
    }
    .apartment-image {
        height: 200px;
    }
    .apartment-buttons {
        flex-direction: column;
        gap: var(--space-2);
    }
    .btn {
        font-size: var(--font-size-sm);
        padding: var(--space-3) var(--space-4);
    }
    .nav-container {
        padding: var(--space-3) var(--space-3);
    }
    .nav-logo h2 {
        font-size: var(--font-size-xl);
    }
    .section {
        padding: clamp(40px, 8vw, 80px) 0;
    }
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    .section-header .subtitle {
        font-size: var(--font-size-base);
    }
    .filter-tabs {
        gap: var(--space-1);
    }
    .filter-btn {
        font-size: var(--font-size-xs);
        padding: var(--space-2);
        min-width: auto;
    }
    .amenity-item {
        padding: var(--space-4);
    }
    .amenity-item i {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-3);
    }
    .contact-info {
        padding: var(--space-4);
    }
    .footer-content {
        padding: var(--space-5) 0;
    }
    .footer-section h4 {
        font-size: var(--font-size-lg);
    }
}
/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}
@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}
.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}
@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}
/* Success/Error States */
.success {
    border-color: var(--success-color) !important;
    background-color: rgba(34, 139, 34, 0.1);
}
.error {
    border-color: var(--error-color) !important;
    background-color: rgba(178, 34, 34, 0.1);
}
.success-message,
.error-message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    font-weight: 500;
}
.success-message {
    background-color: rgba(34, 139, 34, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}
.error-message {
    background-color: rgba(178, 34, 34, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}
/* Hide elements initially for animation */
.section-header,
.apartment-card,
.amenity-item,
.stat-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.section-header.visible,
.apartment-card.visible,
.amenity-item.visible,
.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}
/* ==========================================================================
   RESPONSIVE DESIGN - APARTMENT DETAIL PAGES
   ========================================================================== */
/* Tablet and Mobile */
@media (max-width: 992px) {
    /* Apartment Header */
    .apartment-header {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        text-align: left;
    }
    .apartment-price-section {
        text-align: left;
    }
    .price-features {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .rating {
        align-items: flex-start;
    }
    /* Gallery Grid */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .gallery-thumbnails {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--space-2);
    }
    .thumbnail img {
        height: 80px;
    }
    /* Details Grid */
    .details-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    .details-sidebar {
        position: static;
        order: -1;
    }
    /* Features Grid */
    .features-grid {
        grid-template-columns: 1fr;
    }
    /* Amenities Grid */
    .amenities-grid {
        grid-template-columns: 1fr;
    }
    /* Perks Grid */
    .perks-grid {
        grid-template-columns: 1fr;
    }
    /* Navigation */
    .back-navigation {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .apartment-nav {
        justify-content: space-between;
    }
}
/* Mobile */
@media (max-width: 768px) {
    /* Hero Section */
    .apartment-hero {
        padding: clamp(60px, 12vw, 100px) 0 clamp(40px, 8vw, 60px);
        margin-top: 80px;
        min-height: 25vh;
    }
    .apartment-hero-content {
        padding: 0 var(--space-4);
    }
    .breadcrumb {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-3);
    }
    .apartment-header {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        text-align: left;
    }
    .apartment-title-section h1 {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    .apartment-subtitle {
        font-size: var(--font-size-base);
    }
    .apartment-location-detail {
        font-size: var(--font-size-sm);
    }
    .price-main {
        font-size: var(--font-size-2xl);
    }
    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .gallery-thumbnails {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-2);
        overflow-x: auto;
        padding: var(--space-2) 0;
        scrollbar-width: thin;
    }
    .gallery-thumbnails::-webkit-scrollbar {
        height: 4px;
    }
    .gallery-thumbnails::-webkit-scrollbar-track {
        background: var(--color-accent);
    }
    .gallery-thumbnails::-webkit-scrollbar-thumb {
        background: var(--color-primary);
        border-radius: 2px;
    }
    .thumbnail {
        min-width: 80px;
        cursor: pointer;
        transition: transform 0.2s ease;
    }
    .thumbnail:active {
        transform: scale(0.95);
    }
    .thumbnail img {
        height: 80px;
        width: 80px;
        object-fit: cover;
        border-radius: var(--border-radius);
    }
    .main-image img {
        height: clamp(250px, 50vw, 350px);
        object-fit: cover;
        border-radius: var(--border-radius);
    }
    /* Details Grid */
    .details-grid {
        padding: 0 var(--space-4);
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .details-sidebar {
        position: static;
        order: -1;
    }
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    .feature-item {
        flex-direction: row;
        text-align: left;
        gap: var(--space-3);
        padding: var(--space-3);
        border: 1px solid var(--color-light-gray);
        border-radius: var(--border-radius);
        background: var(--bg-secondary);
    }
    .feature-item i {
        font-size: var(--font-size-xl);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary);
        color: white;
        border-radius: 50%;
        flex-shrink: 0;
    }
    .feature-item h4 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-1);
    }
    /* Amenities */
    .amenities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .amenity-category {
        background: var(--bg-secondary);
        padding: var(--space-4);
        border-radius: var(--border-radius);
    }
    .amenity-category ul {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    .amenity-category li {
        font-size: var(--font-size-base);
        padding: var(--space-2);
    }
    /* Booking Card */
    .booking-card {
        position: static;
        margin-bottom: var(--space-6);
        box-shadow: var(--shadow-medium);
    }
    .booking-form {
        gap: var(--space-4);
    }
    .form-input, .form-select {
        font-size: var(--font-size-base);
        padding: var(--space-4);
        min-height: 48px; /* Touch-friendly */
    }
    .btn-large {
        padding: var(--space-4) var(--space-6);
        font-size: var(--font-size-lg);
        min-height: 52px;
    }
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    /* Related Grid */
    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    .related-item {
        padding: var(--space-3);
        border: 1px solid var(--color-light-gray);
        border-radius: var(--border-radius);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .related-item:active {
        transform: translateY(2px);
    }
    .related-item img {
        width: 60px;
        height: 60px;
    }
    /* Navigation */
    .back-navigation {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: var(--space-4);
    }
    .apartment-nav {
        flex-direction: column;
        gap: var(--space-3);
    }
    .nav-btn {
        text-align: center;
        justify-content: center;
        padding: var(--space-3) var(--space-4);
        min-height: 48px;
        font-size: var(--font-size-base);
    }
}
/* Small Mobile */
@media (max-width: 576px) {
    /* Container */
    .container {
        padding: 0 var(--space-3);
    }
    /* Hero */
    .apartment-hero {
        padding: clamp(50px, 10vw, 80px) 0 clamp(30px, 6vw, 50px);
    }
    .apartment-hero-content {
        padding: 0 var(--space-3);
    }
    .apartment-title-section h1 {
        font-size: var(--font-size-2xl);
    }
    .apartment-subtitle {
        font-size: var(--font-size-sm);
    }
    .price-main {
        font-size: var(--font-size-xl);
    }
    /* Gallery */
    .gallery-thumbnails {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }
    .main-image {
        margin-bottom: var(--space-3);
    }
    .main-image img {
        height: clamp(200px, 40vw, 280px);
    }
    .thumbnail img {
        height: 70px;
        width: 70px;
    }
    /* Details */
    .details-section {
        margin-bottom: var(--space-5);
    }
    .details-section h2 {
        font-size: var(--font-size-xl);
    }
    .details-section h3 {
        font-size: var(--font-size-lg);
    }
    .lead {
        font-size: var(--font-size-base);
    }
    /* Features */
    .feature-item {
        padding: var(--space-3);
        flex-direction: row;
        align-items: center;
    }
    .feature-item i {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-lg);
    }
    .feature-item h4 {
        font-size: var(--font-size-base);
    }
    .feature-item p {
        font-size: var(--font-size-sm);
    }
    /* Amenities */
    .amenity-category {
        padding: var(--space-3);
    }
    .amenity-category h4 {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-3);
    }
    .amenity-category li {
        font-size: var(--font-size-sm);
        padding: var(--space-2);
    }
    /* Booking Card */
    .booking-card {
        padding: var(--space-4);
        margin: 0 0 var(--space-5);
    }
    .booking-header h3 {
        font-size: var(--font-size-lg);
    }
    .price-display {
        font-size: var(--font-size-xl);
    }
    .form-input, .form-select {
        padding: var(--space-3);
        font-size: var(--font-size-base);
    }
    /* Related Apartments */
    .related-apartments h4 {
        font-size: var(--font-size-lg);
    }
    .related-item {
        padding: var(--space-3);
    }
    .related-item h5 {
        font-size: var(--font-size-base);
    }
    .related-item p {
        font-size: var(--font-size-sm);
    }
    .related-item img {
        width: 50px;
        height: 50px;
    }
    /* Navigation */
    .back-navigation {
        padding: 0 var(--space-3);
    }
    .nav-btn {
        padding: var(--space-3);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    /* Performance optimizations for small screens */
    .thumbnail {
        will-change: transform;
    }
    .nav-btn:active,
    .btn:active,
    .related-item:active {
        transform: scale(0.98);
    }
}
/* Dropdown Menu Responsive */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        box-shadow: none;
        border: none;
        backdrop-filter: none;
        padding: 0;
        margin: 0;
        min-width: auto;
    }
    .nav-dropdown:hover .dropdown-menu {
        transform: none;
    }
    .dropdown-link {
        padding: var(--space-3);
        font-size: var(--font-size-base);
        border-bottom: 1px solid var(--color-light-gray);
    }
    .dropdown-link:last-child {
        border-bottom: none;
    }
}
/* ==========================================================================
   RESPONSIVE UTILITIES & ENHANCEMENTS
   ========================================================================== */
/* Touch-friendly interactions */
@media (max-width: 768px) {
    /* Ensure all interactive elements are at least 44x44px */
    .btn, .nav-link, .dropdown-link, .filter-btn {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        touch-action: manipulation;
    }
    /* Improve tap targets */
    .thumbnail, .apartment-card, .amenity-item {
        cursor: pointer;
        transition: transform 0.2s ease;
    }
    /* Active states for touch feedback */
    .btn:active, .nav-link:active, .filter-btn:active {
        transform: scale(0.96);
    }
    /* Prevent zoom on focus for iOS */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="date"],
    select,
    textarea {
        font-size: 16px;
    }
}
/* Landscape phone adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: clamp(40px, 8vw, 60px) var(--space-3) clamp(20px, 4vw, 40px);
        min-height: 50vh;
    }
    .apartment-hero {
        padding: clamp(30px, 6vw, 50px) 0 clamp(20px, 4vw, 30px);
    }
    .nav-menu {
        height: calc(100vh - 60px);
        top: 60px;
    }
}
/* Large mobile devices (phablets) */
@media (min-width: 481px) and (max-width: 767px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .apartments-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }
    .amenities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-thumbnails {
        grid-template-columns: repeat(4, 1fr);
    }
}
/* Tablet optimizations */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        padding: 0 var(--space-5);
    }
    .apartments-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .amenities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero {
        padding: clamp(80px, 12vw, 120px) var(--space-5) clamp(60px, 10vw, 100px);
        min-height: calc(100vh - 100px);
    }
    .section {
        padding: clamp(60px, 10vw, 100px) 0;
    }
}
/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .main-image img,
    .apartment-image img,
    .related-item img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}
/* Performance & Accessibility */
@media (prefers-reduced-motion: reduce) {
    .thumbnail, .btn, .apartment-card, .nav-link { transition: none; }
    .hero, .apartment-hero { animation: none; }
}
@media print {
    .nav, .navbar, .hamburger, .booking-card, .back-navigation, .footer { display: none; }
    .apartment-hero, .hero { page-break-inside: avoid; }
    .details-section { page-break-inside: avoid; break-inside: avoid; }
    body { font-size: 12pt; line-height: 1.4; }
    h1, h2, h3 { page-break-after: avoid; }
}
@media (max-width: 768px) {
    .hero-image, .apartment-image, .main-image { will-change: scroll-position; }
    .gallery-thumbnails { -webkit-overflow-scrolling: touch; }
    .fade-in, .slide-in-left, .slide-in-right { animation-duration: 0.4s; }
}